#FreeApp of the Day is Orrery, A Beautiful, Moving Map of Our Solar System

Orrery (4/5 stars, all ages) is today’s Amazon Free App of the Day, and it’s a great one for armchair astronomers and historians alike.

An orrery is a tool ancient astronomers used to plot the movements of the planets and their moons over time in order to accurately predict astronomical events such as planetary alignments and eclipses, as well as the positions of the planets and moons on specific, future dates.

Orrery is an app that provides a virtual, 3D orrery right in your Fire tablet or Android mobile device! From Amazon:

Experience our solar system and visit its planets with this digital 3D orrery.

Just sit back and orbit the planets or even land on some of them while listening to soothing background music…